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Hindi Research Article
Susceptibility of Some Wheat (Triticum aestivum L.) Varieties to Aerosols of Oxidised and Reduced Nitrogen
| Bhagawan Bharali1*, Bhupendra Haloi1, Jayashree Chutia1, Sonbeer Chack1and Koilash Hazarika2 | |
| 1Department of Crop physiology, Faculty of Agriculture, AAU, Jorhat, Assam, India | |
| 2Instruction-Cum-Research Farm, AAU, Jorhat, India | |
| Corresponding Author : | Bhagawan Bharali Department of Crop physiology Faculty of Agriculture AAU, Jorhat, Assam, India Tel:+919957179617 Fax: +91 376 2310183 E-mail: bbharali33@rocketmail.com; bbharali@aau.ac.in |
| Received: February 20, 2015 Accepted: August 07, 2015 Published:August 13, 2015 | |
| Citation: Bharali B, Haloi B, Chutia J, Chack S, Hazarika K (2015) Susceptibility of Some Wheat (Triticum aestivum L.) Varieties to Aerosols of Oxidised and Reduced Nitrogen. Adv Crop Sci Tech 3:182. doi:10.4172/2329-8863.1000182 | |
| Copyright: © 2015 Bharali B, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. | |
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Abstract
In a pot culture (2011), aerosols of oxidized nitrogen (NaNO2) @20 kgha-1 yr-1 (≈200 ppm), reduced nitrogen (NH4Cl) @10 kg-1 hayr-1 (≈100 ppm) and distilled water (control) were sprayed (1500 cm3 plant-1 of each solution) weekly at different days after sowing (DAS) to study their impacts on physiology of wheat varieties (Ankur Omkar, Sonalika and K-306). In a field trial (2012), the simulated N-aerosols @ 200 ppm and 400 ppm (1000 cm3 m-2 for each solution) along with a control were sprayed to population of the best variety (Ankur Omkar) at four different growth stages. In both pot and field experiments foliar feeding of aerosols with lower dose at the earlier growth stages influenced nitrogen use efficiency and yield. Fluctuations of cellular cations (Ca2+, K+) or peroxidase activity were caused by the aerosols and altered membrane permeability.
